C++11 Fixes.

Conflicts:
	cpu_ref/rsCpuIntrinsic3DLUT.cpp
	cpu_ref/rsCpuIntrinsicInlines.h
Switch ALOGE->ALOGV or ALOGD for non-error conditions.

Change-Id: I099c00c645d19e5c8f538b4a995af4f3f80e135a
Remove excessive ALOGE.

Change-Id: I66d5c073b08c036aba87182585b123ed88bdabb9
Revised NEON implementations of blend.

Reimplement blend intrinsic using wider memory accesses and a few more 8-bit
operations where possible.  Implementations in AArch32 and AArch64 NEON.

Change-Id: I5e56010376b1db1628a911cf09d97baf5af289b3
Optimise YuvToRGB using 16-bit arithmetic.

Reimplement YuvToRGB intrinsic using 16-bit SIMD arithmetic to increase
throughput.  Implementations in AArch32 and AArch64 NEON.

Change-Id: Idd43e383f5147c33b0b546fa822c970de432c19d
Optimisations to blur intrinsic.

Try to keep all data in-register whereever possible, and use only a minimal
circular buffer on the stack when necessary.  Implementations in AArch32 and
AArch64 NEON.

Change-Id: If3dd4932a94ee1cadde46e298b8f6bf14b6c2bdc